<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <style>
    
  </style>
</head>
<body>
  
</body>
<script>
  

  // 任意两个个位数之间的数字能组成的两位数中的奇数
  function fn(a, b){
    for(var i=a;i<=b;i++){
      for(var j=a;j<=b;j++){
        if( (i+ "" +j)%2 ){
          console.log(i+""+j);
        }
      }
    }
  }
  fn( 1, 3 );


  
</script>
</html>